Liquids level indicator DA

sight glass

GEA flow indicators are designed for installation on the outlet of dual safety valves and protect the safety valves from foreign substances or moisture by using a special liquid which is contained in the flow indicator. They are used for checking the safety valves for leaks and to check that the safety valves are operating properly. Technical Features Available in steel Selection of body material as per German DIN EN12284, AD2000 Series W Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R22, R134a and blends with refrigerator oil; gaseous and liquid mediums; glycol-based cold brine